pre-commit

#!/bin/bash
#
# PHP CodeSniffer pre-commit hook for Git
# See README.md for the Drupal-Code Sniffer configuration/setup instructions.
#
# Author: Gerald Z. Villorente
# Co-author: Nikolaos Dimopoulos
# Co-author: Engr. Ranel O. Padon
# Co-Author: Dan Helyar
#
# This project is made possible also through the collaborative support of the CNN Travel team:
#   Senior Web Development Manager:
#   Brent A. Deverman
#
#   Senior Software Engineer:
#   Adrian Christopher B. Cruz
#
#   Senior QA Analyst:
#   Jonathan A. Jacinto
#
# Special Credits to: Nikolaos Dimopoulos for his great work: http://www.niden.net/2011/11/git-pre-commit-another-check-to-ensure.html

# Exit on error
#!/bin/bash

# Exit cleanly and reset IFS
clean_exit() {
  IFS=$IFSBACK
  exit 1
}

clear

cat << "EOF"
************************************************************************
*                                                                      *
*   GIT PRE-COMMIT HOOK FOR DRUPAL 10                                 *
*                                                                      *
*   Filters applied before committing your changes:                    *
*   1. PHP syntax check                                                *
*   2. PHP Code Sniffer + Auto-fix (phpcs/phpcbf)                     *
*   3. Debugging functions blacklist                                   *
*   4. JS linting + Auto-fix (ESLint)                                  *
*   5. Twig linting (TwigCS)                                           *
*   6. CSS linting + Auto-fix (Stylelint)                              *
*                                                                      *
************************************************************************
EOF

ROOT_DIR="$(pwd)/"
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

checks=("<var_dump(" "<print_r(" "<die(" "<debug(" "<dpm(" "<krumo(" "<dpr(" \
        "<dsm(" "<dd(" "<ddebug_backtrace(" "<dpq(" "<dprint_r(" "<drupal_debug(" \
        "<dvm(" "<dvr(" "<kpr(" "<kprint_r(" "<kdevel_print_object(" \
        "<<<<<<<" ">>>>>>>" "<console.log(" "<alert(")

filters_exclude=("core" "vendor" "contrib" "libraries")
exclude_extensions=('\.min\.js$' '\.md$' '\.png$' '\.gif$' '\.jpg$' '\.ico$' \
                   '\.patch$' '\.ad$' '\.htaccess$' '\.sh$' '\.ttf$' '\.woff$' \
                   '\.eot$' '\.svg$' '\.xml$' '\.json$' '\.yml$' '\.gitignore$' \
                   '\.lock$')

exclude_pattern="($(IFS='|'; echo "${filters_exclude[*]}"))|($(IFS='|'; echo "${exclude_extensions[*]}"))"

LIST=$(git diff --cached --name-only --diff-filter=ACM | grep -Ev "$exclude_pattern")

echo -e "\nFiles to be processed:" && echo "$LIST"

IFSBACK=$IFS
IFS=$'\n'

sniffer_error_count=0
ERRORS_BUFFER=""

NO_SYNTAX_ERROR=0
SYNTAX_ERROR=255
PHPCS_FAILED=1
PHPCS_PASSED=0

for file in $LIST; do
  echo -e "\nValidating: $file..."

  if echo "$file" | grep -Eq '\.(php|module|install|theme|inc)$'; then
    echo "1. PHP Linting..."
    php -l "$file" || clean_exit

    echo "2. PHP Code Beautifier..."
    if [ -f "vendor/bin/phpcbf" ]; then
      vendor/bin/phpcbf --standard=Drupal "$file"
    else
      phpcbf --standard=Drupal "$file"
    fi

    echo "3. PHP Code Sniffer..."
    if [ -f "vendor/bin/phpcs" ]; then
      vendor/bin/phpcs --standard=Drupal "$file" || clean_exit
    else
      phpcs --standard=Drupal "$file" || clean_exit
    fi

    for pattern in "${checks[@]}"; do
      if grep -qE "$pattern" "$ROOT_DIR$file"; then
        ERRORS_BUFFER+="\n❌ Found '$pattern' in $file"
      fi
    done
    git add "$file"
  fi

echo
  if echo "$file" | grep -Eq '\.js$'; then
    echo "4. JavaScript Linting + Auto-fix (ESLint)..."
    if command -v eslint >/dev/null; then
      eslint --fix "$file" || clean_exit
      eslint "$file" || clean_exit
      git add "$file"
    else
      echo "❌ ESLint not found. Install it with 'npm install eslint'"
      clean_exit
    fi
  fi

  if echo "$file" | grep -Eq '\.twig$'; then
    echo "5. Twig Linting (TwigCS)..."
    if [ -f "vendor/bin/twigcs" ]; then
      vendor/bin/twigcs "$file" || clean_exit
    elif command -v twigcs >/dev/null; then
      twigcs "$file" || clean_exit
    else
      echo "❌ TwigCS not found. Install with 'composer require --dev friendsoftwig/twigcs'"
      clean_exit
    fi
    echo "⚠️ Twig auto-fix is not supported."
  fi

  if echo "$file" | grep -Eq '\.(css|scss)$'; then
    echo "6. CSS Linting + Auto-fix (Stylelint)..."
    if command -v npx >/dev/null; then
      npx stylelint --fix "$file" || clean_exit
      npx stylelint "$file" || clean_exit
      git add "$file"
    else
      echo "❌ npx (stylelint) not available. Run 'npm install stylelint stylelint-config-standard'"
      clean_exit
    fi
  fi

done

if [ -n "$ERRORS_BUFFER" ]; then
  echo -e "\nBlacklisted patterns detected:" 
  echo -e "$ERRORS_BUFFER"
  clean_exit
fi

echo -e "\n✅ All checks passed. Proceeding with commit."
IFS=$IFSBACK
exit 0